This Day in History: 1948-02-19
Robert Halberg and the Chrysler Corporation applied for a patent for an automatic wear adjustor for clutch and brake friction materials. SIX years later, patent 2680505A was finally awarded.
Robert Halberg and the Chrysler Corporation applied for a patent for an automatic wear adjustor for clutch and brake friction materials. SIX years later, patent 2680505A was finally awarded.